A nurse is educating a client who has multiple sclerosis about glia cells. Which of the following statements by the client indicates an understanding of the teaching?

"Glia cells produce myelin that insulates nerve fibers."

"Glia cells transmit electrical impulses along nerve fibers."

"Glia cells secrete neurotransmitters that communicate with other cells."

"Glia cells destroy pathogens and foreign substances in the nervous system."

Answer and Explanation

The Correct Answer is A

Choice A reason:

This is a correct answer. Glia cells are supportive cells that provide insulation, protection, nutrition, and regulation for neurons. One type of glia cells, called oligodendrocytes, produce myelin that insulates nerve fibers and increases the speed of electrical impulses.

Choice B reason:

This is an incorrect answer. Glia cells do not transmit electrical impulses along nerve fibers. This is the function of neurons, which are the primary cells of the nervous system.

Choice C reason:

This is an incorrect answer. Glia cells do not secrete neurotransmitters that communicate with other cells. This is also the function of neurons, which release neurotransmitters at the synapses to transmit signals to other neurons, muscles, or glands.

Choice D reason:

This is an incorrect answer. Glia cells do not destroy pathogens and foreign substances in the nervous system. This is the function of microglia, which are a type of immune cells that reside in the nervous system and act as macrophages.

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Correct Answer is C

Explanation

Choice A reason:

This is an incorrect answer. Elevated CSF protein level is a common finding in clients who have GBS due to demyelination of peripheral nerves. It does not indicate infection or inflammation and does not require immediate intervention.

Choice B reason:

This is an incorrect answer. Decreased serum CK level is a normal finding in clients who have GBS because CK is released from damaged muscle tissue and GBS does not affect muscle cells directly.

Choice C reason:

This is a correct answer. Increased CSF WBC count indicates infection or inflammation in the central nervous system (CNS), which can be a complication of GBS or a sign of another condition such as meningitis or encephalitis. The nurse should report this finding to the provider for further evaluation and treatment.

Choice D reason:

This is an incorrect answer. Decreased serum sodium level can occur.

A. Tonic-clonic seizure B. Absence seizure C. Myoclonic seizure D. Atonic seizure

Correct Answer is B

Explanation

Choice A reason:

This is an incorrect answer. A tonic-clonic seizure (also known as a grand mal seizure) is characterized by alternating phases of muscle rigidity and jerking movements, along with loss of consciousness and postictal confusion.

Choice B reason:

This is a correct answer. An absence seizure (also known as a petit mal seizure) is characterized by brief episodes of staring, blinking, lip smacking, or other subtle movements, along with impaired awareness and no postictal confusion.

Choice C reason:

This is an incorrect answer. A myoclonic seizure is characterized by sudden, brief, and irregular muscle contractions, usually involving the arms, legs, or trunk.

Choice D reason:

This is an incorrect answer. An atonic seizure (also known as a drop attack) is characterized by sudden loss of muscle tone, resulting in falling or collapsing.

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A nurse is educating a client who has multiple sclerosis about glia cells. Which of the following statements by the client indicates an understanding of the teaching?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is B

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